US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 153 — SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALSSubpart C — Operations153.104646 C.F.R. § 153.1046Sulfuric acid.Last amended: 2016Year: 2026Length: 16 wordsOfficial source Cite as 46 C.F.R. § 153.1046 (2026)No person may liquefy frozen or congealed sulfuric acid other than by external tank heating coils.Previous46 C.F.R. § 153.1045Next46 C.F.R. § 153.1052